Home / 136,371.84-204,583.68-42,852.48

Finding the Fourth Proportional to 136,371.84, 204,583.68 and 42,852.48

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Solution

The fourth proportional to 136,371.84, 204,583.68 and 42,852.48 is: 64,286.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,371.84 : 204,583.68 = 42,852.48 : x
  2. Step 2: Convert to fraction form
    136,371.84/204,583.68 = 42,852.48/x
  3. Step 3: Cross multiply
    136,371.84x = 204,583.68 × 42,852.48
  4. Step 4: Simplify right side
    136,371.84x = 8,766,918,055.53
  5. Step 5: Solve for x
    x = 8,766,918,055.53/136,371.84
  6. Step 6: Final answer
    x = 64,286.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.